144002489 has 2 divisors, whose sum is σ = 144002490. Its totient is φ = 144002488.

The previous prime is 144002477. The next prime is 144002527. The reversal of 144002489 is 984200441.

144002489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109098025 + 34904464 = 10445^2 + 5908^2 .

It is a cyclic number.

It is not a de Polignac number, because 144002489 - 2⁸ = 144002233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144002449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72001244 + 72001245.

It is an arithmetic number, because the mean of its divisors is an integer number (72001245).

Almost surely, 2^144002489 is an apocalyptic number.

It is an amenable number.

144002489 is a deficient number, since it is larger than the sum of its proper divisors (1).

144002489 is an equidigital number, since it uses as much as digits as its factorization.

144002489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 144002489 is about 12000.1037078852. The cubic root of 144002489 is about 524.1512987435.

The spelling of 144002489 in words is "one hundred forty-four million, two thousand, four hundred eighty-nine".